Home / 226,666.99-312,810.96-131,155.17

Finding the Fourth Proportional to 226,666.99, 312,810.96 and 131,155.17

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Solution

The fourth proportional to 226,666.99, 312,810.96 and 131,155.17 is: 181,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,666.99 : 312,810.96 = 131,155.17 : x
  2. Step 2: Convert to fraction form
    226,666.99/312,810.96 = 131,155.17/x
  3. Step 3: Cross multiply
    226,666.99x = 312,810.96 × 131,155.17
  4. Step 4: Simplify right side
    226,666.99x = 41,026,774,636.66
  5. Step 5: Solve for x
    x = 41,026,774,636.66/226,666.99
  6. Step 6: Final answer
    x = 181,000.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.